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How to store Node.js deployment settings/configuration files?
...a few Node apps, and I've been looking for a good pattern of storing deployment-related settings. In the Django world (where I come from), the common practise would be to have a settings.py file containing the standard settings (timezone, etc), and then a local_settings.py for deployment specifi...
What are free monads?
I've seen the term Free Monad pop up every now and then for some time, but everyone just seems to use/discuss them without giving an explanation of what they are. So: what are free monads? (I'd say I'm familiar with monads and the Haskell basics, but have only a very rough knowledge of cat...
how to write setTimeout with params by Coffeescript
Please tell me how to write javascript below in coffeescript.
6 Answers
6
...
Exposing a port on a live Docker container
...er's un-exposed port from the host machine.
If you have a container with something running on its port 8000, you can run
wget http://container_ip:8000
To get the container's IP address, run the 2 commands:
docker ps
docker inspect container_name | grep IPAddress
Internally, Docker shells out to ca...
How do I pass JavaScript variables to PHP?
....
You need to pass variables to PHP code from the HTML form using another mechanism, such as submitting the form using the GET or POST methods.
<DOCTYPE html>
<html>
<head>
<title>My Test Form</title>
</head>
<body>
<form method="POST">...
Convert string in base64 to image and save on filesystem in Python
...mg_data.decode('base64'))
fh.close()
# or, more concisely using with statement
with open("imageToSave.png", "wb") as fh:
fh.write(img_data.decode('base64'))
Modernizing this example to Python 3, which removed arbitrary codec support from string/bytes .encode() and .decode() functions:
# For ...
Why java.util.Optional is not Serializable, how to serialize the object with such fields
...tions when a return value might be absent. The intent is that the caller immediately check the Optional and extract the actual value if it's present. If the value is absent, the caller can substitute a default value, throw an exception, or apply some other policy. This is typically done by chaining ...
Wolfram's Rule 34 in XKCD [closed]
...ever a three-bit string matches rule 2's configuration, the center bit becomes (or stays, in this case) true on the next iteration.
A CA's rules are described as a bitstring. Say it's rule 110 (my favorite). In binary, 110 is 01101110. The digit of least significance is zero. This means that if the...
How to quickly and conveniently disable all console.log statements in my code?
Is there any way to turn off all console.log statements in my JavaScript code, for testing purposes?
28 Answers
...
Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
...isplay: block }
LI:before { content: counters(item, ".") " "; counter-increment: item }
Example
ol { counter-reset: item }
li{ display: block }
li:before { content: counters(item, ".") " "; counter-increment: item }
<ol>
<li>li element
<ol>
<li>sub ...